162340497225 has 27 divisors (see below), whose sum is σ = 290780693749. Its totient is φ = 86578375200.

The previous prime is 162340497217. The next prime is 162340497271. The reversal of 162340497225 is 522794043261.

The square root of 162340497225 is 402915.

It is a perfect power (a square), and thus also a powerful number.

162340497225 is a `hidden beast` number, since 16 + 2 + 3 + 404 + 9 + 7 + 225 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 77561693001 + 84778804224 = 278499^2 + 291168^2 .

It is not a de Polignac number, because 162340497225 - 2³ = 162340497217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6030295 + ... + 6057155.

Almost surely, 2^162340497225 is an apocalyptic number.

162340497225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

162340497225 is the 402915-th square number.

162340497225 is the 201458-th centered octagonal number.

It is an amenable number.

162340497225 is a deficient number, since it is larger than the sum of its proper divisors (128440196524).

162340497225 is an frugal number, since it uses more digits than its factorization.

162340497225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53738 (or 26869 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 162340497225 in words is "one hundred sixty-two billion, three hundred forty million, four hundred ninety-seven thousand, two hundred twenty-five".